Andrewsornis

Andrewsornis Temporal range: Oligocene (Deseadan) ~29.0 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
A sketch of the holotype specimen's skull
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Cariamiformes
Family:	†Phorusrhacidae
Subfamily:	†Patagornithinae
Genus:	†Andrewsornis Patterson, 1941
Species:	†A. abbotti
Binomial name
†Andrewsornis abbotti Patterson, 1941

Andrewsornis is an extinct genus of giant flightless predatory birds of the family Phorusrhacidae or "terror birds" that lived in Oligocene Argentina. Fossils have been found in the Sarmiento Formation, and possibly the Agua de la Piedra Formation.^[1]